The LILYGO® ESP32-S2 Dev Board is a feature-rich, low-power development board based on the ESPRESSIF ESP32-S2 chipset. It features 4MB Flash, 8MB SRAM, Wi-Fi connectivity, a USB Type-C interface, and support for multiple buttons and custom switches. Ideal for IoT, wireless control, and portable embedded systems.
Key Features
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ESP32-S2 single-core 32-bit processor
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4MB Flash and 8MB SRAM for high-performance tasks
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Built-in Wi-Fi for seamless wireless communication
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Type-C USB port for power and programming
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Multiple buttons: Power, Reset, Boot, Customize, DPI switch
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32.768KHz onboard crystal oscillator for real-time tasks
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JST 2-pin (1.25mm) connector for external battery input
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Supports 3.7V–4.2V lithium battery input
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USB 5V/1A power input, with 500mA charging current
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Wide operating voltage: 2.7V–3.6V
Pin Diagram (T8-ESP32-S2 PINMAP V1.1)
This board includes a rich set of GPIOs supporting:
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Digital I/O
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ADC, DAC, and Touch inputs
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UART, SPI, I2C, PWM, SDIO
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USB OTG support via DIP switch
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TF card access via GPIO10–13 (IO14 must be pulled up)
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DPI Mode Switch for flexible configuration
Refer to the pinout image for full GPIO mapping and switch functions.
Technical Specifications
| Feature | Specification |
|---|---|
| Chipset | ESPRESSIF-ESP32-S2 |
| Flash | 4MB |
| SRAM | 8MB |
| Buttons | Power, Reset, Boot, Customize, DPI |
| Clock | 32.768KHz crystal oscillator |
| Voltage Range | 2.7V–3.6V |
| Wireless | Wi-Fi |
| Power Input | USB 5V/1A |
| Charge Current | 500mA |
| Battery Input | 3.7–4.2V (via JST 2P 1.25mm) |
Applications
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IoT devices and automation systems
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Wireless sensor platforms
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Custom embedded applications
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Battery-powered Wi-Fi projects
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Prototyping with full GPIO access
Includes
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1 × LILYGO® ESP32-S2 Development Board
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1 × JST 2-pin Battery Connector
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Optional: Headers or case (depending on variant)